Researchers were tracking 13 whales in the Pacific Ocean and noticed they were fleeing as if an invisible predator was ...

Remote reefs off Australia’s northwest coast may be remnants of an ancient reef system that helped shape modern marine life.

Sam But sharks’ fearsome reputation is not based on facts: most attacks on humans are cases of mistaken identity, where the ...

More than three dozen volunteers gathered Sunday morning in Ocean Beach to celebrate the end of the 23rd annual San Diego ...

Most sharks have five gill slits on either side. But Hexanchus griseus, a giant and mysterious shark species, has an even six ...

DEAR READERS: I learned as a Boy Scout to "be prepared," and we all must now be prepared to deal with a changed planet Earth. A collapse would cause catastrophic, largely irreversible climate shifts, ...

Sixty-six million years ago, a huge asteroid famously hit the Earth, causing the extinction of dinosaurs and about half of ...

Every octopus alive today exists because its mother died for it, and the answer is written into her DNA. Here is the genetics and biology behind one of nature's most ruthless and elegant designs.

Dolphins are notoriously smart – expressing emotions like joy and grief; maintaining cooperative social networks; and solving ...

Several environmental groups have called for the bill to be stopped but fishing companies say it helps modernise a system ...